Moments after parachuting from Flight 777, former Marine Chad Turner and flight attendant Dao find themselves descending into a world of madness. The Tribulation has begun. Panic and chaos plague the streets, and cities are on fire. But they have even greater problems. They're being hunted by a team of mercenaries lead by Joseph Pike and funded by the power-hungry, Phillip Turk with orders to extract the biometric microchip living in Chad Turner's body and prepare it for the masses.